The Allen-Bradley 1756-L83EK is a powerful ControlLogix Processor Module by Rockwell Automation, featuring USB and Ethernet communications, capable of handling up to 32 tasks with a speed of 12 MB/s. It supports 100 to 250 Ethernet nodes, has 10 MB of user memory, and maintains efficient energy usage with a power dissipation of 6.2 watts. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number/Catalog No. 1756-L83EK Series ControlLogix Module Type Processor Module Tasks 32 Communications USB, Ethernet Communication Speed 12 MB-Second Ethernet Nodes 100 or 250 User Memory 10 MB Current Draw (1.2 Volts DC) 5.0 Miliamperes Current Draw (5.1 Volts) 1.20 Miliamperes Power Dissipation 6.2 Watts Thermal Dissipation 21.2 BTU per hour Isolation Voltage 50 Volts Continuous Enclosure None (Open-Style)